new command: import plugin config for every environment (dev/stg/prod)

[emtii]

Creating this ticket just as an reminder.

[emtii]

parameters:

• shop id
• plugin name

[emtii]

possibly usefull available shopware command:

• sw:plugin:config:set

Arguments:
plugin Name of the plugin.
key Configuration key.
value Configuration value. Can be true, false, null, an integer or an array specified with brackets: [value,anothervalue]. Everything else will be interpreted as string.